F-Secure PSB DataGuard blocks Windows processes and applications installed in the Windows Users or AppData folder

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F-Secure PSB DataGuard blocks Windows processes and applications installed in the Windows Users or AppData folder - F-Secure Community

Issue:

With the PSB Computer Protection or Server Protection DataGuard features Access control and Discover trusted applications automatically enabled, DataGuard blocks Windows processes and applications installed in the Windows Users or AppData folder.

PSB Portal device Infections tab shows an alert type Ransomware Access Control with action as blocked.

Resolution:

If the blocked application (OneDrive.exe, Firefox.exe, Chrome.exe, WhatsApp.exe etc.) is in the Windows Users or AppData directory, it is not by default a trusted application location and therefore it will be blocked if it tries to modify a file that is located in a protected path. You can view the currently trusted application paths from the PSB Portal:

Log in to the PSB Portal
Go to the Devices page
Click a device that has DataGuard enabled
In the Protection status tab, click on the DataGuard (Premium) section

This will show you the currently protected paths and the currently trusted application paths.

To not have DataGuard block an application, you can either:

Install the application to a trusted path, such as C:\Program Files (x86)\
Add the application path to the Manually added trusted applications and folders list

How to add the application path to the Manually added trusted applications and folders list.

Log in to PSB Portal
Go to the Profiles page
Select the profile the device is using
Go to the DataGuard settings page
In the Access Control section, click Add path below Manually added trusted applications and folders
Add the full path of the application, example C:\Users\Username\Documents\exampleprogram\example.exe
Click Save and publish the profile

Note: You can use system environment variables when you want to create an exclusion for many users. The supported environment variables are: %USERPROFILE%, %HOMEDRIVE%, %HOMEPATH%, %APPDATA%, %ProgramFIles%, %ProgramFiles(x86)% %ProgramData%, %windir%, %SystemRoot%, %SystemDrive%

Example: %USERPROFILE%\AppData\Local\Mozilla Firefox\firefox.exe

If you need to find out more about the detection (detection path, target path etc.), you can view it from the Security events page:

Log in to the PSB Portal
Go to the Security events page from the menu on the left
Click on the double arrow on the left side of the detection

Article no: 000007003